'The Ed Sullivan Show'

Associated Press

Ed Sullivan stands with the Beatles during a rehearsal for the British group's first live American appearance, on "The Ed Sullivan Show," in New York on Feb. 9, 1964. From left: Ringo Starr, George Harrison, Sullivan, John Lennon and Paul McCartney. "Beatlemania" swept the charts with 20 No. 1 hits between 1964 and 1970 and more than 100 million records sold. Related: In My Life: Robert Hilburn's 'Corn Flakes With John Lennon'

Ed Sullivan stands with the Beatles during a rehearsal for the British group's first live American appearance, on "The Ed Sullivan Show," in New York on Feb. 9, 1964. From left: Ringo Starr, George Harrison, Sullivan, John Lennon and Paul McCartney. "Beatlemania" swept the charts with 20 No. 1 hits between 1964 and 1970 and more than 100 million records sold. Related: In My Life: Robert Hilburn's 'Corn Flakes With John Lennon' (Associated Press)

Ed Sullivan stands with the Beatles during a rehearsal for the British group's first live American appearance, on "The Ed Sullivan Show," in New York on Feb. 9, 1964. From left: Ringo Starr, George Harrison, Sullivan, John Lennon and Paul McCartney. "Beatlemania" swept the charts with 20 No. 1 hits between 1964 and 1970 and more than 100 million records sold. Related: In My Life: Robert Hilburn's 'Corn Flakes With John Lennon'